[PATCH] pcmcia: match for fake CIS

Add another match flag for devices needing a CIS override.  The driver will
only probe/attach if the CIS has been replaced before.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 84 insertions, 0 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 3ac7a443f66..c0611d56eab 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -733,6 +733,14 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
 			return 0;
 	}
 
+	if (did->match_flags & PCMCIA_DEV_ID_MATCH_FAKE_CIS) {
+		if (!dev->socket->fake_cis) {
+			/* FIXME: evaluate using firmware helpers to
+			 * automagically load it from userspace */
+			return 0;
+		}
+	}
+
 	dev->dev.driver_data = (void *) did;
 
 	return 1;
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index e9651cd8310..c0106d68bb6 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -196,6 +196,7 @@ struct pcmcia_device_id {
 
 	/* not matched against */
 	kernel_ulong_t	driver_info;
+	char *		cisfile;
 };
 
 #define PCMCIA_DEV_ID_MATCH_MANF_ID	0x0001
@@ -207,5 +208,6 @@ struct pcmcia_device_id {
 #define PCMCIA_DEV_ID_MATCH_PROD_ID3	0x0040
 #define PCMCIA_DEV_ID_MATCH_PROD_ID4	0x0080
 #define PCMCIA_DEV_ID_MATCH_DEVICE_NO	0x0100
+#define PCMCIA_DEV_ID_MATCH_FAKE_CIS	0x0200
 
 #endif /* LINUX_MOD_DEVICETABLE_H */
diff --git a/include/pcmcia/device_id.h b/include/pcmcia/device_id.h
index acf68656de3..346d81ece28 100644
--- a/include/pcmcia/device_id.h
+++ b/include/pcmcia/device_id.h
@@ -171,5 +171,79 @@
 	.prod_id_hash = { (vh1), (vh2), (vh3), 0 }, \
 	.device_no = (mfc), }
 
+/* cards needing a CIS override */
+
+#define PCMCIA_DEVICE_CIS_MANF_CARD(manf, card, _cisfile) { \
+	.match_flags = PCMCIA_DEV_ID_MATCH_FAKE_CIS | \
+			PCMCIA_DEV_ID_MATCH_MANF_ID| \
+			PCMCIA_DEV_ID_MATCH_CARD_ID, \
+	.manf_id = (manf), \
+	.card_id = (card), \
+	.cisfile = (_cisfile)}
+
+#define PCMCIA_DEVICE_CIS_PROD_ID12(v1, v2, vh1, vh2, _cisfile) { \
+	.match_flags = PCMCIA_DEV_ID_MATCH_FAKE_CIS | \
+			PCMCIA_DEV_ID_MATCH_PROD_ID1| \
+			PCMCIA_DEV_ID_MATCH_PROD_ID2, \
+	.prod_id = { (v1), (v2), NULL, NULL }, \
+	.prod_id_hash = { (vh1), (vh2), 0, 0 }, \
+	.cisfile = (_cisfile)}
+
+#define PCMCIA_DEVICE_CIS_PROD_ID123(v1, v2, v3, vh1, vh2, vh3, _cisfile) { \
+	.match_flags = PCMCIA_DEV_ID_MATCH_FAKE_CIS | \
+			PCMCIA_DEV_ID_MATCH_PROD_ID1| \
+			PCMCIA_DEV_ID_MATCH_PROD_ID2| \
+			PCMCIA_DEV_ID_MATCH_PROD_ID3, \
+	.prod_id = { (v1), (v2), (v3), NULL },\
+	.prod_id_hash = { (vh1), (vh2), (vh3), 0 }, \
+	.cisfile = (_cisfile)}
+
+
+#define PCMCIA_DEVICE_CIS_PROD_ID2(v2, vh2, _cisfile) { \
+	.match_flags =  PCMCIA_DEV_ID_MATCH_FAKE_CIS | \
+			PCMCIA_DEV_ID_MATCH_PROD_ID2, \
+	.prod_id = { NULL, (v2), NULL, NULL },  \
+	.prod_id_hash = { 0, (vh2), 0, 0 }, \
+	.cisfile = (_cisfile)}
+
+#define PCMCIA_PFC_DEVICE_CIS_PROD_ID12(mfc, v1, v2, vh1, vh2, _cisfile) { \
+	.match_flags =  PCMCIA_DEV_ID_MATCH_FAKE_CIS | \
+			PCMCIA_DEV_ID_MATCH_PROD_ID1| \
+			PCMCIA_DEV_ID_MATCH_PROD_ID2| \
+			PCMCIA_DEV_ID_MATCH_DEVICE_NO, \
+	.prod_id = { (v1), (v2), NULL, NULL }, \
+	.prod_id_hash = { (vh1), (vh2), 0, 0 },\
+	.device_no = (mfc), \
+	.cisfile = (_cisfile)}
+
+#define PCMCIA_MFC_DEVICE_CIS_MANF_CARD(mfc, manf, card, _cisfile) { \
+	.match_flags =  PCMCIA_DEV_ID_MATCH_FAKE_CIS | \
+			PCMCIA_DEV_ID_MATCH_MANF_ID| \
+			PCMCIA_DEV_ID_MATCH_CARD_ID| \
+			PCMCIA_DEV_ID_MATCH_FUNCTION, \
+	.manf_id = (manf), \
+	.card_id = (card), \
+	.function = (mfc), \
+	.cisfile = (_cisfile)}
+
+#define PCMCIA_MFC_DEVICE_CIS_PROD_ID12(mfc, v1, v2, vh1, vh2, _cisfile) { \
+	.match_flags =  PCMCIA_DEV_ID_MATCH_FAKE_CIS | \
+			PCMCIA_DEV_ID_MATCH_PROD_ID1| \
+			PCMCIA_DEV_ID_MATCH_PROD_ID2| \
+			PCMCIA_DEV_ID_MATCH_FUNCTION, \
+	.prod_id = { (v1), (v2), NULL, NULL }, \
+	.prod_id_hash = { (vh1), (vh2), 0, 0 }, \
+	.function = (mfc), \
+	.cisfile = (_cisfile)}
+
+#define PCMCIA_MFC_DEVICE_CIS_PROD_ID4(mfc, v4, vh4, _cisfile) { \
+	.match_flags =  PCMCIA_DEV_ID_MATCH_FAKE_CIS | \
+			PCMCIA_DEV_ID_MATCH_PROD_ID4| \
+			PCMCIA_DEV_ID_MATCH_FUNCTION, \
+	.prod_id = { NULL, NULL, NULL, (v4) }, \
+	.prod_id_hash = { 0, 0, 0, (vh4) }, \
+	.function = (mfc), \
+	.cisfile = (_cisfile)}
+
 
 #define PCMCIA_DEVICE_NULL { .match_flags = 0, }